Inattention and memory loss can be caused by a variety of reasons, such as physiological causes can lead to, if a long period of mental stress, excessive tension, long time sleep quality decline, insufficient sleep time can be caused, mainly to improve sleep, relaxation, reduce stress. If patients have organic lesions may also cause, clinically common diseases include Alzheimer’s disease, patients can appear in the early stage, manifested as near memory loss, chronic cerebral blood supply deficiency may cause ischemic-hypoxic encephalopathy, patients with severe hypertension can appear hypertensive encephalopathy, severe carbon monoxide poisoning may cause toxic encephalopathy, patients can appear. Etiological treatment is mainly carried out for different diseases, which can also be caused by encephalitis, brain tumors and cerebrovascular disease.